Sullivan County is a district of New Hampshire.
Boundaries: United States Census Bureau, MAF/TIGER Database (https://www.census.gov/geographies/mapping-files/time-series/geo/carto-boundary-file.html) via geoBoundaries, public domain
| City of Claremont | no seat recorded | 13 k |
| Town of Acworth | no seat recorded | 887 |
| Town of Charlestown | no seat recorded | 5 k |
| Town of Cornish | no seat recorded | 2 k |
| Town of Croydon | no seat recorded | 747 |
| Town of Goshen | no seat recorded | 807 |
| Town of Grantham | no seat recorded | 3 k |
| Town of Langdon | no seat recorded | 676 |
| Town of Lempster | no seat recorded | 1 k |
| Town of Newport | Newport | 6 k |
| Town of Plainfield | no seat recorded | 2 k |
| Town of Springfield | no seat recorded | 1 k |
| Town of Sunapee | no seat recorded | 3 k |
| Town of Unity | no seat recorded | 2 k |
| Town of Washington | no seat recorded | 1 k |
Nothing has been written about Sullivan County here, and neither Wikipedia nor Wikivoyage has an article we could draw one from. If you know the place, that makes you a better source than anything we have. Tell us what is worth knowing and where you got it.
We show Newport as the capital of Sullivan County. If that is wrong, tell us what it should be and where you read it.
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